Insul-Tech Office HVAC HVAC ProjectProject Insul-Tech Office HVAC HVAC 
Calculations
Wed May 10 17:39:06 CDT 2006 
There is no calculation for North & Shaded Glass 
There is no calculation for NorthEast and NorthWest Glass 
The Btuh Gain for 180 SqFt of East and West Single Pane Glass = 19800 
There is no calculation for SouthEast and SouthWest Glass 
There is no calculation for South Glass 
There is no calculation for SkyLights 
There is no calculation for Windows in Doors 

The Btuh Gain for 1600 SqFt of Mason Above Grade R-5 Wall Number 1 = 4960 
The Btuh Gain for 580 SqFt of Mason Above Grade No Insulation Wall Number 2 = 
6322 
The Btuh Gain for 840 SqFt of Mason Above Grade No Insulation Wall Number 3 = 
9156 
The Btuh Gain for 1120 SqFt of Wood R-11 & 1/2" Gypsum Wall Number 4 = 2912 
The Btuh Gain for 2860 SqFt of Roof Only 3" - 3.5" R-11; Ceiling Number 1 = 
23452 

There is no calculation for Ceiling Number 2 
There is no calculation for Floor Number 1 
There is no calculation for Floor Number 2 
The Btuh Gain for 15 People = 150 
There is no calculation for Motor HP 
There is no calculation for Ducts Out of Conditioned Spaces 
The Btuh Gain for 2860 SqFt of Area Lighting in an Office = 8580 
There is no calculation for Coffee Machines 
There is no calculation for Electric Food Warmers 
There is no calculation for Gas Food Warmers 
There is no calculation for Electric Fry Kettle 
There is no calculation for Gas Fry Kettle 
There is no calculation for Electric Griddle 
There is no calculation for Gas Griddle 
There is no calculation for Hair Dryer Helmets 
There is no calculation for 4-Slice Toaster 
There is no calculation for other appliances of known wattages 
There is no calculation for Outside Fresh Air #1 
There is no calculation for Outside Fresh Air #2 
There is no calculation for Outside Fresh Air #3 
The Reception Area Outside Fresh Air #4 = 45 cfm
The Btuh Gain for Outside Fresh Air #4 = 1350 
The Office Space Outside Fresh Air #5 = 240 cfm 
The Btuh Gain for Outside Fresh Air #5 = 7200 
There is no calculation for Outside Fresh Air #6

The Total Outside Fresh Air CFM = 285 
This is in accordance with International Mechanical Code 2003 
The Total BTUh Gain = 83882 
The Total Tons of HVAC needed = 6.99016666666667